S13 type is one independently developed product of our company which is based on S11 type transformer, and developed through research and application of new material and new technology, and by manner of independently innovation and technology introduction. It optimizes and designs iron core and winding structure and achieve the target of reducing no-load loss and noise.
The no-load loss decreases 37% by an average. Noise level decreases 20% comparing to current national standard JB/T 10088-2004. Product properties has reached domestic advanced level.